Sectional flasher steam-boiler



(NoModeL) 2 Sheets-Sheet 1. A. W. VAN DORSTON.

SEGTIONAL FLASHER STEAM BOILER. No. 339,950. Patented Apr. 13, 1886.

WITNESSES .55.!

@ew wzw I v (No Model.) 2 Sheets-Sheet 2. A. W. VAN DORSTON.

SEGTIONAL PLASHER STEAM BOILER.

are "2 i m? l .m M 7 l llll- IIII Pateted Apr. 13, 1886.

mulgmunmlmlnn UNITED STATES PATENT Orrice.

ALVIN \V. VAN DORSTON, OF PORTLAND, OREGON, ASSIGNOR OF ONEHALF TO GEORGE VANDORSTON, OF ARGOS, INDIANA.

SECTIONAL FLASHER STEAM-BOILER.

SPECIFICATION forming part of Letters Patent No. 339,950, dated April 13, 1886.

Application filed January 4, 1826. Serial No. 187,594.

To all whom it may concern.-

Be it known that I, ALvIN \V. VAN Dons- TON, a citizen of the United States, anda resident of Portland, in the county of Multnomah and State of Oregon,have invented certain new and useful Improvements in Sectional Flasher Steam-Boilers; and I do declare the following to be a clear, full, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specification.

My invention has relation to sectional steamgenerators; and the object of my invention is to provide a sectional and tubular boiler whereby steam can be generated instantaneously, and more particularly by the use of liquid fuel; and the novelty consists in the construction, combination, and arrangement of parts, as will be hereinafter more particularly described, and pointed out in the claims.

In the accompanying drawings similar letters of reference indicate similar parts of my invention.

Figure 1 is a side elevation of my improved sectional. flasher steam-boiler as it appears with the outer casing shown in section, and also showing, partly in section, the inner construction of said boiler and how the steam escapes to the steam-dome; Fig. 2, a cross-seetion as it appears with the first and part of the second tier of the tubes and sections of the vertical columns removed from the top; Fig. 3, a detached view of the steam-dome, showing the inner face as arranged with suitable openings corresponding with the faces of the upper sections of the vertical sectional columns. Fig. 4 are detached views of two of the upper sections of the vertical columns as they appear, showing the inner face with the spray and generating tubes removed, the shortest one being used in the last row of sections containing the last row of tubes in the construction of the boiler, and which also shows one of the intermediate sections; Fig. 5, detached and inner face views of the lower sections of the vertical columns which rest upon the water-base,

(No model.)

the shortest one serving in connection with the first row of tubes. Fig. 6 are sectional views showing the perforated tubes in combination with the sections of the vertical columns and outer generating-tube.

In the general arrangement and construc- 5 5 tion of my improved boiler it will be seen that the outer casing, A", incloses the entire structure from that portion of the water-base A, upon which it rests, and that the series of vertical columns are composed of a series of vertical sections, a, which are built up and secured between the water base A and steamdome A by means of the bolts B, which reach through the entire length of the vertical columns, as shown in Fig. 1, and in which 55 the vertical column -sections, as shown, are provided with the spray-tube a* and the gencrating-tube a", which are secured by means of the spray-tube a* being screwed into the openings Z, thus securing the ends of the tube a" in the circular recess a of the sections a, as shown in Figs. 1 and 6. The column-sections are also provided with the recesses a and a, the recess a conveying the water from the water base A through the series of spray- 7 5 tubes a, the recess of communicating with the opening Z in the steamdone. In this construction it will be seen that when the water passes through the small perforations of the tube a* itisinstantaneously converted into steam when playing against the wall of the heated tube a Thence the steam is conveyed independently of the water to the steam-dome A through the vertical opening a communicating with the opening Zforsuch purpose. By this operation the steam does not become more or less condensed, as the result would be when steam is passing up through a body of water.

In the further construction of my improved steam-boiler the upper sections of the vertical 0 columns, as shown in Fig. 4, a, form a recess through which the heat passes out and upward between the steam-dome A and outer casing, A, to the smokeoutlet, as indicated by the arrows in Fig. 1.

It will further be seen that the water-base A is provided with a water-supply pipe, 0 through which water is forced, filling the wa ter-base and supplying the vertical columns a,

and in which the Water may rise and fall from the water-line, as indicated by the arrows. The escape-pipe 0, located in the top of the dome A, may be provided with a safety-valve and supply-pipe t0 the engine, and either of the single corner columns, 0, of the generator may be supplied with a Water-glass or trygages, to ascertain the rise or fall of the water.

Having thus fully described my invention as newand useful, what I desire to secure by Letters Patent of the United States is 1. In a sectional flasher steam -boi1er, the combination of the series of vertical sectional columns, of the perforated tubes, and of the heating-tubes for the purpose 01' generating steam, instantaneously, substantially as set forth and described. l

-2. In a steam-boiler, the combination of the vertical sectional columns provided with the 2p recess a, with the water base A, the recess a" and a, and the openings l and a of the steamdome, substantially as and for the purpose set- I'orth. v

3. In a steam-boiler, the combination of a 25 series of vertical water columns and of the spray-tubes a, of the generating tubes a, of the recess a of the steam-dome A, and the water-base A, substantially as and for the purpose set forth.

ALVIN W. VAN DORSTON.

Witnesses:

CHASTEEN CROW, MARION WV. VAN DORSTON. 

